C# jobs in Denver, CO

Boulder, Colorado

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Today

A growing software startup is seeking a Senior Software Architect to join its engineering team in Boulder, Colorado, working in a hybrid environment with three onsite days per week. This full-time opportunity offers the chance to help build SaaS products using C#, .NET, SQL Server, and modern development practices. Working alongside experienced founders and a small, highly collaborative team, you'll play a key role in designing and developing a product intended to unify business operations into

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Full-time

$200000 - $220000

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

Precision is seeking a Senior Full Stack Developer for a contract position supporting our Fortune 100 client. This fully remote role requires work during Eastern Time business hours and focuses on building and supporting software across the UI, backend, APIs, databases, and cloud. You will develop with C#/.NET and Angular while designing APIs and microservices. Strong AWS experience is essential, including DynamoDB, SQS, SNS, S3, Lambda, and Terraform. The role also includes technical documentat

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Contract

DOE

Software Engineer

Aurora, Colorado

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Today

Job Number: R0249027 Software Engineer The Opportunity: Booz Allen is looking for a Sof t war e Engineer who is driven by purpose and ready to build sof t war e that directly supports mission-critical operations across the space domain. In this role, you'll design, develop, and enhance the sof t war e developed for ground systems and the real-time capabilities that space missions rely on. You'll take ownership of complex engineering challenges from modernizing legacy components to architecting

Full-time

USD 69,400.00 - 158,000.00 per year

Jr. Software Developer C#

Remote

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Yesterday

Software Developer About The Opportunity The Intersect Group is partnering with a respected organization in the consumer finance industry that is committed to delivering innovative technology solutions that improve business operations and customer experiences. The company values collaboration, continuous learning, and technical excellence while fostering an environment where employees can develop their skills and make a meaningful impact. This is an opportunity to join a stable, technology drive

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Contract

Depends on Experience

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

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Contract

DOE

Mainframe Developer with C#

Remote

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3d ago

Hiring, Greetings from Modern Agile Technologies. Position: Mainframe Developer (C#/.NET) Location: Remote Type: Contract (W2 Only) Required Skills: Strong experience in Mainframe technologies (COBOL, JCL, CICS, DB2, VSAM).Hands-on experience in C#/.NET development.Experience with SQL Server and database design.Knowledge of mainframe modernization, integration, and API development.Health care knowledge (preferred)

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Contract

Depends on Experience

Senior Software Engineer - .NET, C#, WPF

Remote

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Today

Job Description A Global Software Engineering company is seeking a Senior Software Engineer to develop and extend business applications for enterprise clients while providing technical leadership and mentorship to the development team. Working within an Agile Scrum environment, you will build and enhance applications across desktop and mobile platforms, including WPF, UWP, iOS, and Android. This role combines hands-on software development with project ownership, client engagement, and solution

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Full-time

$115000 - $130000

Senior Programmer (C# .Net)

Remote or Hybrid in Los Angeles, California

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Today

Job Title: Senior C# .NET Developer Remote Duration: 12 Months Skills Required The Senior Programmer will possess knowledge and experience in applications software development principles and methods sufficient to participate in the design, development, testing and implementation of new or modified applications software; operating systems installation and configuration procedures; organization's operational environment; software design principles, methods and approaches; principles, methods and

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Contract, Third Party

Senior Software Engineer (C#, Python or Java) - FTE Conversion

Remote

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2d ago

Title: Senior Software Engineer (C#, Python or Java) Location: Remote Duration: Full-Time Employment Conversion At Solventum, we enable better, smarter, safer healthcare to improve lives. As a new company with a long legacy of creating breakthrough solutions for our customers toughest challenges, we pioneer game-changing innovations at the intersection of health, material and data science that change patients' lives for the better while enabling healthcare professionals to perform at their best

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Contract

Depends on Experience

Jr - Mid level C# .Net Full Stack developer IOT

Remote

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4d ago

Jr - Mid level C# .Net Full Stack developer IOT Client is unable to sponsor visa at this time, so looking for USC. Required 26 years full-stack development shipping production software React / TypeScript + .NET C# or Python backend IoT protocol experience (MQTT, AMQP) or edge software integration Software packaging: installers, containers, or update agents AI tools in daily dev (Cursor, Copilot, Claude Code) CI/CD familiarity (GitHub Actions or equivalent) Nice to Have Medical device soft

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Contract

Depends on Experience

Full Stack Developer / C# .NET / Vue / Azure / Remote

Remote

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Today

A leading food services and facilities management organization is seeking a Full Stack Developer for a remote contract opportunity. This role will support application modernization initiatives and the migration of enterprise applications to Microsoft Azure, utilizing technologies including C#, .NET, Vue/Nuxt, SQL, and RESTful APIs to build and enhance business-critical solutions. What sets this opportunity apart is the chance to work on modernizing and rebuilding applications in a collaborative

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Contract

$45 - $75

Senior Software Engineer C#/.NET

Denver, Colorado

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Today

Company Description We're one of the world's leading online gambling companies, revolutionizing the industry since 2000. Founded by Denise Coates CBE, we now employ over 10,000 people and serve over 120 million customers in 26 languages. We empower our employees to push boundaries and explore new ideas, cultivating a culture that celebrates and rewards creativity. This offers employees a wealth of growth opportunities, giving them the opportunity to make a real impact in the world of online ga

Full-time

USD 120,000.00 - 155,000.00 per year

Managing Engineer (C#/ASP.NET)

Remote

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Today

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Managing Engineer (C#/ASP.NET) leads a team of softwa

Full-time

USD 100,000.00 - 170,500.00 per year

Software Engineer III: Backend C#

Remote

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Today

Jack Henry, provides advanced bill payment and money transfer solutions to banks and credit unions. We offer modernized smart technology, including AI driven, security, cloud-based software, and fraud monitor, to deliver engaging payment solutions to customers. Our solutions help financial institutions to meet the payment expectations of today and the payment innovation needs of tomorrow. Payments become smarter, engaging, and predictive with Payrailz. We are looking for a software engineer who

Full-time

Software Engineering Intern

Louisville, Colorado

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Today

Overview We are seeking a full-time Software Engineering Intern at our office in Louisville, CO. In this role, you will be responsible for learning and training to develop software for Garmin's communication and navigation products in a team-oriented environment under supervision. Essential Functions Learn to develop software in C, C++, Assembly language, or other selected languages for Garmin communication and navigation products in accordance with Garmin's software development methodology wit

Full-time

USD 30.00 per hour

Senior Software Engineer (.NET)

Commerce City, Colorado

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Today

Software engineers are responsible for the complete life cycle of a new or modified software product, from research and design to implementation, training and support. Essential Duties: Designs, modifies, develops, writes and implements software programming applications supporting internal business requirements or external customersSupports and/or installs software applications, may include end user training and documentationDocuments and maintains software functionality including break/fix an

Full-time

USD 135,000.00 - 140,000.00 per year

Software Development Intern, Summer 2027

Lakewood, Colorado

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Today

Description Tyler Technologies is looking for Software Development Interns to join our team next summer! The Software Development Intern will experience the day-to-day development practices of a high-tech software company. This person will be a valuable resource conducting research, testing, and coding of new products. To ensure that this is a well-rounded, real-world experience, the intern will receive guidance from a Product Manager, participate in team meetings, and work on actual projects i

Full-time

Software Engineer

Aurora, Colorado

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Today

Job Number: R0249028 Software Engineer The Opportunity: Booz Allen is looking for a Sof tware Engineer who is driven by purpose and ready to build sof tware that directly supports mission-critical operations across the space domain. In this role, you'll design, develop, and enhance the sof tware developed for ground systems and the real-time capab ilities that space missions rely on. You'll take ownership of complex engineering challenges - from modernizing legacy components to architecting ne

Full-time

USD 86,900.00 - 198,000.00 per year

Simulation Engineering Intern - Summer 2027

Golden, Colorado

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Today

As a Simulation Engineering Intern at Lunar Outpost, you will play a crucial role in the development and enhancement of simulation models used to test our robotic systems under various scenarios. This internship will provide you with a comprehensive view of the simulation process in robotic systems development, from conceptual modeling to the detailed analysis of results. All interns will work directly alongside full-time engineers on real, engaging, and impactful projects, providing tangible va

Full-time

USD 24.00 per hour

Strategic Software Development Engineer

Greenwood Village, Colorado

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Today

York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mi

Full-time

USD 125,000.00 per year

C# jobs in Denver, CO, USA